Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
With December's arrival, Hertsberge notes an average high-temperature of a frosty 7.7°C (45.9°F), closely following the trend of the preceding month. An average low-temperature of 4.6°C (40.3°F) is witnessed throughout the month of December in Hertsberge, a mere drop from the daytime peak.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
The wettest months are August and December, with an average 56mm (2.2") of rainfall.Snowfall
January through March, November and December are months with snowfall. In Hertsberge, in December, snow falls for 2.2 days, with typically accumulated 14mm (0.55") of snow. Throughout the year, there are 9.6 snowfall days, and 66mm (2.6") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:29 and sunset at 16:43. On the last day of the month, sunrise is at 08:50 and sunset at 16:49 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hertsberge in December?
What are the most humid months?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Hertsberge?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Hertsberge have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Hertsberge, Belgium
- Average high temperature in December: 7.7°C
The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 4.6°C
The month with the highest average low temperature is August (15.1°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in December
Hertsberge, Belgium
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in December
Hertsberge, Belgium
- Average wind speed in December: 22.6km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in December
Hertsberge, Belgium
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Hertsberge, Belgium
- Average rainfall in December: 56mm
The wettest months (with the highest rainfall) are August and December (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Hertsberge, Belgium
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is April (12.1 days).
Average snowfall in December
Hertsberge, Belgium
- Average snowfall in December: 14mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hertsberge, Belgium
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hertsberge, Belgium
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Hertsberge, Belgium
- Average sunshine days in December: 7 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (7 days).
Average UV index in December
Hertsberge, Belgium
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hertsberge, Belgium
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in December
Hertsberge, Belgium
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
